Features
Dual 50mΩ Monolithic Ideal Diodes
1.7V to 5.5V Operating Range
Up to 4A Adjustable Current Limit for Each Diode
Low Reverse Leakage Current (1μA Max)
15mV Forward Drop in Regulation
Smooth Switchover in Diode ORing
Load Current Monitor
Precision Enable Thresholds to Set Switchover
Soft-Start to Limit Inrush Current on Start-Up
Status Pins to Indicate Forward Diode Conduction
Current and Thermal Limit with Warning
Thermally Enhanced 16-Lead MSOP and DFN (3mm × 5mm) Packages
Typical Application
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Description
The LTC4415 contains two monolithic PowerPath ideal diodes, each capable of supplying up to 4A with typical forward conduction resistance of 50mΩ. The diode voltage drops are regulated to 15mV during forward conduction at low currents, extending the power supply operating range and ensuring no oscillations during supply switchover. Less than 1μA of reverse current flows from OUT to IN making this device well suited for power supply ORing applications.

The two ideal diodes are independently enabled and prioritized using inputs EN1 and EN2. The output current limits can be adjusted independently from 0.5A to 4A using resistors on the CLIM pins. Furthermore, the ideal diode currents can be monitored via CLIM pin voltages.

Open-drain status pins indicate when the ideal diodes are forward conducting. When the die temperature approaches thermal shutdown, or if the output load exceeds the current limit threshold, the corresponding warning pins are pulled low.

PackagingFor complete and up to date package information and drawings, please refer to our packaging page
MS-16, DFN-16?
Order InfoPart numbers ending in PBF are lead free. Please contact LTC marketing for information on lead based finish parts.Part numbers containing TR or TRM are shipped in tape and reel or 500 unit mini tape and reel, respectivelyPlease refer to our general ordering information or the product datasheet for more details
Package Variations and PricingPart Number Package Pins Temp Price (1-99) Price (1k)* RoHS Data
LTC4415EDHC#PBF DFN 16 E $4.22 $2.95 View
LTC4415EDHC#TRPBF DFN 16 E? $3.01 View
LTC4415EMSE#PBF MSOP 16 E $4.22 $2.95 View
LTC4415EMSE#TRPBF MSOP 16 E? $3.01 View
LTC4415IDHC#PBF DFN 16 I $4.86 $3.40 View
LTC4415IDHC#TRPBF DFN 16 I? $3.46 View
LTC4415IMSE#PBF MSOP 16 I $4.86 $3.40 View
LTC4415IMSE#TRPBF MSOP 16 I? $3.46 View
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* The USA list pricing shown is for BUDGETARY USE ONLY, shown in United States dollars (FOB USA per unit for the stated volume), and is subject to change. International prices may differ due to local duties, taxes, fees and exchange rates. For volume-specific price or delivery quotes, please contact your local Linear Technology sales office or authorized distributor.

Demo BoardsLinear Technology demo boards are offered free of charge to qualified customers. Contact your local sales office or distributor to request a demo board. Certain demo boards are also available for sale via credit card on this website. Demo boards are for evaluation purposes only. It remains the customer’s responsibility to verify proper and reliable operation in the actual end application.

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Applications
High Current PowerPath? Switch
Battery and Wall Adapter Diode ORing
Backup Battery Diode ORing
Logic Controlled High Current Power Switch
Supercapacitor ORing
Multiple Battery Sharing